Linear Technology DC1613A, Demo Manual, Page: 34 / 36

34
dc1540bf
DEMO MANUAL DC1540B
SCHEMATIC DIAGRAM
5 5
4 4
3 3
2 2
1 1
D
D
C
C
B
B
A
A
+12V
VSENSEP6
3.3V_PU
VOUT_6
INTVCC_6
VSENSEM6
VSENSEP6
VSENSEM6
3.3V_PU
3.3V_PU
VOUT_6A
VOUT_EN6
VDACP6 VDACM6
VSENSEP6
VSENSEM6 CLK_PHASE_2
VSENSEP7
VS EN SE M7
SIZE
SCALE:
CAGE CODE
DWG NO
REV
SHEET
OF
FILENAME:
TITLE
CONTRACT NO.
APPROVALS
DATE
DRAWN CHECKED APPROVED ENGINEER DESIGNER
TECHNOLOGY
1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
CUSTOMER NOTICE
B
DC1361B
Tuesday, September 17, 2013
9
10
Dave Clemans
08-13-13
Dave Clemans
08-13-13
8 OUTPUT POWER SUPPLY
SIZE
SCALE:
CAGE CODE
DWG NO
REV
SHEET
OF
FILENAME:
TITLE
CONTRACT NO.
APPROVALS
DATE
DRAWN CHECKED APPROVED ENGINEER DESIGNER
TECHNOLOGY
1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
CUSTOMER NOTICE
B
DC1361B
Tuesday, September 17, 2013
9
10
Dave Clemans
08-13-13
Dave Clemans
08-13-13
8 OUTPUT POWER SUPPLY
SIZE
SCALE:
CAGE CODE
DWG NO
REV
SHEET
OF
FILENAME:
TITLE
CONTRACT NO.
APPROVALS
DATE
DRAWN CHECKED APPROVED ENGINEER DESIGNER
TECHNOLOGY
1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
CUSTOMER NOTICE
B
DC1361B
Tuesday, September 17, 2013
9
10
Dave Clemans
08-13-13
Dave Clemans
08-13-13
8 OUTPUT POWER SUPPLY
OPT.
CONNECT SIGNAL GND PLANE TO PAD H12 AT ONE POINT
NOMINAL VOUT
1.4uA UP TO 48V
VFB = 0.6V
VDAC INJECTS THE CONTROL VOLTAGE FROM THE LTC2977 INTO THE FEEDBACK DIVIDER OF THE LTM4603 TO TRIM AND MARGIN VOUT
VOUT_6
NOTE: THE "ZERO" OHM RESISTORS IN VDACn LINE AND BETWEEN PGND AND SGND ARE NOT COMPONENTS. THEY ARE TRACES ON THE PCB.
1%
1%
POWER GOOD
Trise = APPROX. 3.8mS
INSTALL R87 TO CURRENT SENSE
CHANNEL 6
INSTALL R86 TO CURRENT SENSE
CHANNEL 6
(TAU = 2.2mS) PRELOAD
3A MAX
TO SENSE CURRENT ON VOUT_6 USING CHANNEL 7, INSTALL R86 AND R87 ON SHEET 9 AND REMOVE R88 AND R89 ON SHEET 10.
1.0V
R74
280K
R74
280K
R92 10K R92 10K
CIN26 10uF 35V CIN26 10uF 35V
R77 1 R77 1
R87 0 OPT. R87 0 OPT.
D8
GREEN
D8
GREEN
R84 0.01 1W R84 0.01 1W
CIN27 10uF 35V CIN27 10uF 35V
R86 0 OPT. R86 0 OPT.
R73 90.9K 1% R73 90.9K 1%
COUT24 10uF 10V COUT24 10uF 10V
E46
-SNS
E46
-SNS
E19
GND
E19
GND
R101 ZERO R101 ZERO
COUT23 100uF 6.3V COUT23 100uF 6.3V
R90 200 R90 200
R76 1 R76 1
CSS11 0.01uF CSS11 0.01uF
R109 ZERO R109 ZERO
C25 100pF C25 100pF
R72
10K
R72
10K
C6 1nF C6 1nF
Q8 2N7002 Q8 2N7002
R61 10K R61 10K
R75 20 R75 20
U16 LTM4603EV
U16
U16 LTM4603EV
U16
SGND
H12
DRVCC
E12
FSET
B12
VO_LCL
L12
COMP
A11
VFB
F12
PGOOD
G12
RUN
A10
TRACK/SS
A9
PLLIN
A8
INTVCC
A7
VOSNS+
J12
VOSNS-
M12
DIFF_VOUT
K12
MPGM
A12
MARG0
C12
MARG1
D12
VIN
A1
VIN
A2
VIN
A3
VIN
A4
VIN
A5
VIN
A6
VIN
B1
VIN
B2
VIN
B3
VIN
B4
VIN
B5
VIN
B6
VIN
C1
VIN
C2
VIN
C3
VIN
C4
VIN
C5
VIN
C6
VOUT
J1
VOUT
J2
VOUT
J3
VOUT
J4
VOUT
J5
VOUT
J6
VOUT
J7
VOUT
J8
VOUT
J9
VOUT
J10
VOUT
K1
VOUT
K2
VOUT
K3
VOUT
K4
VOUT
K5
VOUT
K6
VOUT
K7
VOUT
K8
VOUT
K9
VOUT
K10
VOUT
K11
VOUT
L1
VOUT
L2
VOUT
L3
VOUT
L4
VOUT
L5
VOUT
L6
VOUT
L7
VOUT
L8
VOUT
L9
VOUT
L10
VOUT
L11
VOUT
M1
VOUT
M2
VOUT
M3
VOUT
M4
VOUT
M5
VOUT
M6
VOUT
M7
VOUT
M8
VOUT
M9
VOUT
M10
VOUT
M11
PGND
D1
PGND
D2
PGND
D3
PGND
D4
PGND
D5
PGND
D6
PGND
E1
PGND
E2
PGND
E3
PGND
E4
PGND
E5
PGND
E6
PGND
E7
PGND
F1
PGND
F2
PGND
F3
PGND
F4
PGND
F5
PGND
F6
PGND
F7
PGND
F8
PGND
F9
PGND
G1
PGND
G2
PGND
G3
PGND
G4
PGND
G5
PGND
G6
PGND
G7
PGND
G8
PGND
G9
PGND
H1
PGND
H2
PGND
H3
PGND
H4
PGND
H5
PGND
H6
PGND
H7
PGND
H8
PGND
H9
E18
1.0V
E18
1.0V
E47
+SNS
E47
+SNS